Waste

ρ (˚)

C (Mpa)

Wl (%)

WP (%)

IP (%)

Cc

Cs

σ’(P) (kPa)

VBM

Coal mine waste rock [18]

30

13

42

25

17

0.15

0.04

80

0.89

Phosphate mine waste rock [16]

27 - 32.4

4 - 7

37 - 45

25 - 30

12 - 15

-

-

-

0.58 - 0.71